Fatal error: Cannot declare class WP_User_Request, because the name is already in use?

Question

Suddenly I am getting the following error on my website, I don't know why, these are the following errors shown on my website:

1)Fatal error: Cannot declare class WP_User_Request, because the name is already in use in /home/hnukt37ls4nt/public_html/wp-includes/user.php on line 3657

2)Fatal error: Uncaught Error: Call to undefined function wp_kses_normalize_entities() in /home/hnukt37ls4nt/public_html/wp-includes/formatting.php:4316 Stack trace: #0 /home/hnukt37ls4nt/public_html/wp-includes/class-wp-fatal-error-handler.php(190): esc_url('https://wordpre...') #1 /home/hnukt37ls4nt/public_html/wp-includes/class-wp-fatal-error-handler.php(147): WP_Fatal_Error_Handler->display_default_error_template(Array, false) #2 /home/hnukt37ls4nt/public_html/wp-includes/class-wp-fatal-error-handler.php(52): WP_Fatal_Error_Handler->display_error_template(Array, false) #3 [internal function]: WP_Fatal_Error_Handler->handle() #4 {main} thrown in /home/hnukt37ls4nt/public_html/wp-includes/formatting.php on line 4316

Please help me in solving this error,

Thanks in advance. Cheers!!

Answer 1

1. Just put your class in a if condition.

if( !class_exists( 'class_name' ) ) {
     class class_name {
         //....
     }
     $object = new class_name();
}

This will work fine for first condition